/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectEditor/Public/MuCOE/CustomizableObjectEditorModule.h
virtual [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< class [FExtensibilityManager](API\Editor\UnrealEd\Toolkits\FExtensibilityManager) > GetCustomizableObjectEditorMenuExtensibilityManager()